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| Home > Publications database > The break-up of the deuteron and stripping to unbound states |
| Book/Report | FZJ-2018-00571 |
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1975
Kernforschungsanlage Jülich, Verlag
Jülich
Please use a persistent id in citations: http://hdl.handle.net/2128/16609
Report No.: Juel-1252
Abstract: We treat the break-up of the deuteron in the field of a heavy nucleus. Our theory is based on the post formalism of the DWBA, which is discussed in detail. In particular we consider the case where the energy of the incoming deuteron is below the Coulomb barriere This subcoulomb break-up permits a test of the DWBA by comparing experimental data with the theory. Small effects are investigated in the context, and other treatments of this process are reviewed critically. To give an intuitive picture of the break-up process we introduce a semiclassical model. In the second part the theory is extended to stripping reactions to unbound (resonant) states. We show that this reaction which interferes with the direct break-up process, can again be weIl described in the post-form of the DWBA. Using simple models we discuss the most important features of such reactions. Particular attention is paid to the "l-enhancement", "parallelism" and the influence of the specific wave functions on resonance line shapes. A survey and comparison of various theories of stripping reactions to unbound states is given and finally we discuss possible future developments.
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